dura blue axle help

Feb 18, 2010
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Texas
i got a extended dura blue axle and got it all put on except the brake hub....when i slide it on it hits the top carrier bolt almost like it need a little spacer there...its a 2000 model....could the axle be for the 2003 or newer brake hub? ebay listing said it is a blaster axle not a banshee...any ideas....ill get some pics up in a lil while so u can see what im talking about. also on the stock axle it has a piece that is made to the axle that rides against the seal and bearing and the dura blue doesnt